A medical electronic signature verification method and system based on network traffic analysis

By using network traffic analysis technology to collect and analyze the network traffic of the hospital's electronic signature service, a dynamic password behavior baseline is constructed, which solves the problem of lack of detection and verification in the hospital's electronic signature service. This enables real-time monitoring and compliance assessment of system configuration and use, ensuring the legality and security of electronic medical records.

CN122437654APending Publication Date: 2026-07-21BEIJING ZHONGHAI WENDA INFORMATION TECH CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
BEIJING ZHONGHAI WENDA INFORMATION TECH CO LTD
Filing Date
2026-04-28
Publication Date
2026-07-21

AI Technical Summary

Technical Problem

The hospital's electronic signature service technology system lacks a testing and verification process, making it impossible to confirm whether the system configuration is correct, trace the root cause of compliance failures, and make it difficult for existing technologies to intervene in real time when a signature operation occurs, resulting in the inability to guarantee the legality of electronic medical records.

Method used

A network traffic analysis-based approach is adopted, which collects full network traffic through targeted cryptographic application analysis devices, uses DPDK zero-copy stream processing technology to filter irrelevant traffic, performs deep protocol decoding and bidirectional semantic mapping, constructs a dynamic cryptographic behavior baseline, combines commercial cryptographic algorithm compliance verification, generates a compliance assessment report, and implements closed-loop processing.

Benefits of technology

It enables lossless collection of full-signature traffic in high-concurrency medical business environments, accurately identifies system configuration errors and human violations, generates accurate compliance assessment reports, reduces operational complexity, ensures the compliance and validity of electronic signatures, and fills the gaps in traditional technologies.

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Abstract

The application discloses a medical electronic signature verification method and system based on network flow analysis, and belongs to the technical field of information security. The method deploys a directional password application analysis device through a bypass, and collects full-amount flow by using zero-copy flow processing technology. Based on a bidirectional semantic mapping mechanism, a business flow serial number is associated with a bottom-layer TLS certificate serial number to identify an abnormality of "signature behavior being decoupled from business operation". In combination with a dynamic password behavior baseline and multi-dimensional cryptography analysis, real-time checking of algorithm compliance and certificate chain integrity is realized. In addition, the system deduces risk root causes through a fault tree model, automatically repairs illegal signatures by using non-susceptible replacement technology, and prevents bypass risks based on multi-modal time sequence alignment auditing. The application effectively fills the blank of effectiveness detection of medical electronic signature technology, realizes closed-loop management from passive auditing to active defense, and ensures the legal effect of electronic medical records.
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